Ok. so I got the 1/10 scale rc buggy tornado xp and i was racing it around in a parking lot and i lost the sinal. the buggy went into the wall at full speed and the carbuerator broke off the engine. So i got the replacement parts but when I put them back on and all was finished I took the car out to test it and it won't work. The engine starts perfectley and keeps going, but for some reason when its on the ground none of the power from the engine is rotating the wheels so it goes very very slow or just sits there. WHat would cause the loss of power to the wheels? I checked all the gears and they all spin and work fine. any ideas? thanks!